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Galaxy S6 vs iPhone XS

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Galaxy S6

Starting at

£81.32£399.00 new
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iPhone XS

Starting at

£138.35£559.00 new
See options
(102 reviews)
(645 reviews)

What's the difference between the Galaxy S6 and iPhone XS?

Galaxy S6 vs iPhone XS comes down to the chipset, RAM and battery. Refurbished, the Galaxy S6 starts at £81.32, £57.03 less than the iPhone XS. The iPhone XS is the newer model, released in 2018.

Refurbished from

£81.32£138.35

Chipset

Exynos 7420 Octa (14 nm)Apple A12 Bionic

RAM

3 GB4 GB

Battery

2550 mAh2658 mAh

Screen size

5.1 inch5.8 inch

Screen type

Super AMOLEDSuper Retina OLED
  • Chipset: Exynos 7420 Octa (14 nm) on the Galaxy S6, Apple A12 Bionic on the iPhone XS.
  • The iPhone XS has more RAM: 4 GB vs 3 GB.
  • The iPhone XS has a bigger battery: 2658 mAh vs 2550 mAh.

Galaxy S6 vs iPhone XS specs

The Galaxy S6 and iPhone XS differ in several key areas that affect daily use. The Galaxy S6 suits you if you want a smaller screen with a higher pixel density and a 16 megapixel main camera for detailed photos. The iPhone XS offers a larger screen, more RAM, and storage options up to 256GB, making it better for multitasking and storing more apps or media. Both phones are unlocked and run on different operating systems, so your choice depends on your preference for Android or iOS and what features matter most to you.

Galaxy S6 vs iPhone XS price

Galaxy S6 vs iPhone XS battery life and software updates

Durability covers how long the phones keep working well, including battery and software support. Both phones have similar battery sizes but slightly different capacities.

Battery Capacity

The Galaxy S6 has a 2550 mAh battery while the iPhone XS has a 2658 mAh battery. The difference is small but the iPhone XS offers a marginally larger capacity, which may help with longer usage between charges for some users.

Operating System

The Galaxy S6 runs Android and the iPhone XS runs iOS. Your choice here depends on which operating system you prefer and the apps or services you use daily.

Battery

2550 mAh2658 mAh

Foldable

NoNo

Ip rating

N/AIP68

Software updates

Ended Jun 2018Ended Apr 2026, last iOS 18

Wireless charging

YesYes

Year of release

20152018

Galaxy S6 vs iPhone XS performance

Performance depends on the processor, RAM, and storage. The iPhone XS has more RAM and higher storage options, which help keep more apps open and store more data. The chipsets differ but both provide solid performance for everyday tasks.

RAM Size

The Galaxy S6 has 3 GB of RAM while the iPhone XS comes with 4 GB. The extra RAM in the iPhone XS helps keep more apps open in the background and supports smoother multitasking.

Storage Options

The Galaxy S6 is available with 32 GB of storage, suitable for everyday use with basic apps and media. The iPhone XS offers larger storage options of 64 GB and 256 GB, ideal if you store many photos, videos, or apps.

Chipset

The Galaxy S6 features the Exynos 7420 Octa chipset built on 14 nm technology, while the iPhone XS uses the Apple A12 Bionic chipset. Both chipsets handle everyday activities well, with the iPhone XS chipset being designed to support newer software and features.

Chipset

Exynos 7420 Octa (14 nm)Apple A12 Bionic

RAM

3 GB4 GB

Galaxy S6 vs iPhone XS screen

Screen quality affects how you view photos, videos, and apps. The Galaxy S6 has a sharper screen with more pixels in a smaller size, while the iPhone XS has a larger screen with a slightly lower resolution but uses Apple's Super Retina OLED technology.

Screen Size

The Galaxy S6 has a 5.1 inch screen, compact and easy to handle with one hand. The iPhone XS offers a larger 5.8 inch screen, giving you more room for watching videos, browsing, and typing.

Resolution

The Galaxy S6 has a resolution of 1440 by 2560 pixels, which results in a high pixel density and sharp image quality on its smaller screen. The iPhone XS has a resolution of 1125 by 2436 pixels, providing slightly fewer pixels but on a bigger display.

Screen Type

The Galaxy S6 uses Super AMOLED technology, known for vibrant colours and deep blacks. The iPhone XS features a Super Retina OLED screen which offers excellent colour accuracy and brightness, optimised for iOS.

Resolution

1440 x 25601125 x 2436

Screen size

5.1 inch5.8 inch

Screen type

Super AMOLEDSuper Retina OLED

Galaxy S6 vs iPhone XS camera

Camera quality is important for photos and video calls. The Galaxy S6 has a higher megapixel count on the main camera, while the iPhone XS offers a higher resolution front camera for selfies and video chats.

Main Camera

The Galaxy S6 has a 16 megapixel main camera, which can capture more detail in photos. The iPhone XS has a 12 megapixel main camera, which balances resolution with other imaging features.

Front Camera

The Galaxy S6's front camera is 5 megapixels, suitable for standard selfies and video calls. The iPhone XS offers a 7 megapixel front camera, which can deliver sharper and clearer images for selfies and video chats.

Camera type

N/ADouble (2x)

Front camera

5 megapixels7 megapixels

Main camera

16 megapixels12 megapixels

Galaxy S6 vs iPhone XS size and design

Other features include size, weight, SIM options, and network compatibility. Both phones support 4G and are unlocked, but the iPhone XS offers eSIM support and more storage options, which may suit different needs.

SIM Card Options

The Galaxy S6 uses a physical SIM card, while the iPhone XS supports both a physical SIM card and eSIM. The eSIM option on the iPhone XS can be convenient if you want to use two phone numbers or switch carriers without changing a physical SIM.

Weight and Size

The Galaxy S6 weighs 138 g and measures 143.4 mm in height, 70.5 mm in width, and 6.8 mm in depth, making it lighter and slightly thinner. The iPhone XS weighs 177 g, is 143.6 mm tall, 70.9 mm wide, and 7.7 mm deep, offering a larger but heavier build.

Storage Capacity

The Galaxy S6 is stocked with 32 GB storage. The iPhone XS comes with 64 GB or 256 GB options, offering more space for apps, media, and files.

Carrier compatibility

UnlockedUnlocked

Connector

N/ALightning

Depth

6.8 mm7.7 mm

Height

143.4 mm143.6 mm

Mobile network

4G4G

Release date

10 April 201521 September 2018

SD card slot

NoNo

SIM card

Physical SIMPhysical SIM + eSIM

Weight

138 g177 g

Width

70.5 mm70.9 mm

Galaxy S6 or iPhone XS: which should you buy?

Buy the Galaxy S6 if

  • you want to spend less: it starts at £81.32, £57.03 less than the iPhone XS
  • you want a higher-resolution main camera (16 megapixels vs 12 megapixels)
  • you want a lighter build (138 g vs 177 g)

Buy the iPhone XS if

  • you want more RAM (4 GB vs 3 GB)
  • you want a bigger battery (2658 mAh vs 2550 mAh)
  • you want a bigger screen (5.8 inch vs 5.1 inch)

What our customers say

Customers who bought the Galaxy S6 often mention the phone looks like new and works well once set up, with some noting that it is ready to use simply by inserting a SIM card. There are comments about the phone sometimes coming with the wrong charger cable or being locked to a network despite being sold as unlocked. The screen and battery receive positive remarks from those satisfied with their purchase.

Buyers of the iPhone XS describe it as looking perfect or like new, with good battery life and smooth performance. Many highlight the phone's condition, with one mentioning a faint mark that is barely noticeable. The camera is appreciated, especially the front camera for selfies. A few customers mention minor issues such as scratches or hardware faults, but most are pleased with the phone's speed and size.

The Galaxy S6 suits those who prefer a lighter, smaller phone with a high-resolution screen and are comfortable with Android. The iPhone XS fits buyers wanting a larger screen, greater storage, and the latest iOS updates, along with a higher resolution front camera.

Galaxy S6 vs iPhone XS FAQs

Galaxy S6 vs iPhone XS comes down to the chipset, RAM and battery. Chipset: Exynos 7420 Octa (14 nm) on the Galaxy S6, Apple A12 Bionic on the iPhone XS. The iPhone XS has more RAM: 4 GB vs 3 GB.

The Galaxy S6 is cheaper refurbished, from £81.32 compared with £138.35 for the iPhone XS.

The iPhone XS has a bigger battery: 2658 mAh vs 2550 mAh.

The Galaxy S6 has a higher-resolution main camera: 16 megapixels vs 12 megapixels.

Updates for the Galaxy S6 ended in Jun 2018. Updates for the iPhone XS ended in Apr 2026. Its last version is iOS 18.

Refurbished, the Galaxy S6 comes in 32GB, and the iPhone XS in 64GB and 256GB.

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